adjective

1. of, affected by, or produced by the mind or a particular state of mind; of or resulting from the feelings or temperament of the subject, or person thinking; not objective; personal a subjective judgment
2. determined by and emphasizing the ideas, thoughts, feelings, etc. of the artist or writer, not just rigidly transcribing or reflecting reality
3. Gram. nominative
4. Philos. of or having to do with the perception or conception of a thing by the mind as opposed to its reality independent of the mind
5. Med. designating or of a symptom or condition perceptible only to the patient
6. Psychol.
   1. existing or originating within the observer's mind or sense organs and, hence, incapable of being checked externally or verified by other persons
   2. introspective

Etymology: ME < LL subjectivus, of the subject < subjectus: see subject